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Barco - RHDM-1701 - Maintenance Manual ______________________________________________ 23
Diagnostics
3 If both LEDs D16 and D17 are off, replace PIB as described in “Removal
and reinstallation of the power interface board (PIB)”
• Power supply and PIB are working, but still no image is observed on the
screen: See “Light diagnostics”
6.6 IRIS board diagnostics
Figure 8: IRIS board indicator LEDs
To verify if the IRIS board is defect, check the FPGA LEDs on the position n°1
and n°2. They light up orange after start-up and should go out when they are
configured. When one of those FPGA indicator LEDs does not go out, the IRIS
board is defect. The display unit should be send back to Barco.
The Freescale LED should light up green during operation. This LED is only for
development purposes and will not be present on the new version of the IRIS
board.
1
2
3
FPGA1 LED
FPGA2 LED
FREESCALE LED
3
1
2